The phrase "inner monologue" refers to the continuous internal dialogue that runs through a person's mind, which is often used for self-reflection and decision making. Synonyms for this term include "inner dialogue," "internal dialogue," "inner voice," "internal narrative," "self-talk," and "stream of consciousness." These phrases describe the same phenomenon of a person's thoughts and musings as they navigate their life experiences. The use of these synonyms can help to add variety and depth to a piece of writing that explores the complexities of human thought and emotion.